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261 lines
9.2 KiB
261 lines
9.2 KiB
/* |
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* Copyright 2008-2012 NVIDIA Corporation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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/*! \file reduce.inl |
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* \brief Inline file for reduce.h. |
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*/ |
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#include <thrust/reduce.h> |
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#include <thrust/iterator/iterator_traits.h> |
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#include <thrust/system/detail/generic/select_system.h> |
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#include <thrust/system/detail/generic/reduce.h> |
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#include <thrust/system/detail/generic/reduce_by_key.h> |
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#include <thrust/system/detail/adl/reduce.h> |
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#include <thrust/system/detail/adl/reduce_by_key.h> |
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namespace thrust |
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{ |
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template<typename DerivedPolicy, typename InputIterator> |
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typename thrust::iterator_traits<InputIterator>::value_type |
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reduce(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, InputIterator first, InputIterator last) |
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{ |
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using thrust::system::detail::generic::reduce; |
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return reduce(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last); |
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} // end reduce() |
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template<typename DerivedPolicy, typename InputIterator, typename T> |
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T reduce(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, |
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InputIterator first, |
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InputIterator last, |
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T init) |
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{ |
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using thrust::system::detail::generic::reduce; |
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return reduce(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last, init); |
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} // end reduce() |
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template<typename DerivedPolicy, |
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typename InputIterator, |
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typename T, |
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typename BinaryFunction> |
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T reduce(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, |
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InputIterator first, |
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InputIterator last, |
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T init, |
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BinaryFunction binary_op) |
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{ |
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using thrust::system::detail::generic::reduce; |
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return reduce(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), first, last, init, binary_op); |
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} // end reduce() |
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template <typename DerivedPolicy, |
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typename InputIterator1, |
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typename InputIterator2, |
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typename OutputIterator1, |
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typename OutputIterator2> |
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thrust::pair<OutputIterator1,OutputIterator2> |
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reduce_by_key(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, |
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InputIterator1 keys_first, |
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InputIterator1 keys_last, |
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InputIterator2 values_first, |
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OutputIterator1 keys_output, |
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OutputIterator2 values_output) |
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{ |
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using thrust::system::detail::generic::reduce_by_key; |
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return reduce_by_key(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), keys_first, keys_last, values_first, keys_output, values_output); |
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} // end reduce_by_key() |
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template <typename DerivedPolicy, |
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typename InputIterator1, |
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typename InputIterator2, |
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typename OutputIterator1, |
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typename OutputIterator2, |
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typename BinaryPredicate> |
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thrust::pair<OutputIterator1,OutputIterator2> |
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reduce_by_key(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, |
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InputIterator1 keys_first, |
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InputIterator1 keys_last, |
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InputIterator2 values_first, |
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OutputIterator1 keys_output, |
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OutputIterator2 values_output, |
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BinaryPredicate binary_pred) |
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{ |
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using thrust::system::detail::generic::reduce_by_key; |
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return reduce_by_key(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), keys_first, keys_last, values_first, keys_output, values_output, binary_pred); |
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} // end reduce_by_key() |
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template <typename DerivedPolicy, |
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typename InputIterator1, |
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typename InputIterator2, |
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typename OutputIterator1, |
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typename OutputIterator2, |
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typename BinaryPredicate, |
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typename BinaryFunction> |
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thrust::pair<OutputIterator1,OutputIterator2> |
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reduce_by_key(const thrust::detail::execution_policy_base<DerivedPolicy> &exec, |
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InputIterator1 keys_first, |
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InputIterator1 keys_last, |
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InputIterator2 values_first, |
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OutputIterator1 keys_output, |
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OutputIterator2 values_output, |
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BinaryPredicate binary_pred, |
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BinaryFunction binary_op) |
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{ |
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using thrust::system::detail::generic::reduce_by_key; |
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return reduce_by_key(thrust::detail::derived_cast(thrust::detail::strip_const(exec)), keys_first, keys_last, values_first, keys_output, values_output, binary_pred, binary_op); |
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} // end reduce_by_key() |
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template<typename InputIterator> |
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typename thrust::iterator_traits<InputIterator>::value_type |
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reduce(InputIterator first, |
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InputIterator last) |
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{ |
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using thrust::system::detail::generic::select_system; |
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typedef typename thrust::iterator_system<InputIterator>::type System; |
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System system; |
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return thrust::reduce(select_system(system), first, last); |
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} |
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template<typename InputIterator, |
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typename T> |
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T reduce(InputIterator first, |
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InputIterator last, |
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T init) |
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{ |
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using thrust::system::detail::generic::select_system; |
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typedef typename thrust::iterator_system<InputIterator>::type System; |
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System system; |
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return thrust::reduce(select_system(system), first, last, init); |
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} |
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template<typename InputIterator, |
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typename T, |
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typename BinaryFunction> |
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T reduce(InputIterator first, |
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InputIterator last, |
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T init, |
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BinaryFunction binary_op) |
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{ |
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using thrust::system::detail::generic::select_system; |
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typedef typename thrust::iterator_system<InputIterator>::type System; |
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System system; |
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return thrust::reduce(select_system(system), first, last, init, binary_op); |
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} |
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template <typename InputIterator1, |
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typename InputIterator2, |
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typename OutputIterator1, |
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typename OutputIterator2> |
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thrust::pair<OutputIterator1,OutputIterator2> |
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reduce_by_key(InputIterator1 keys_first, |
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InputIterator1 keys_last, |
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InputIterator2 values_first, |
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OutputIterator1 keys_output, |
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OutputIterator2 values_output) |
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{ |
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using thrust::system::detail::generic::select_system; |
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typedef typename thrust::iterator_system<InputIterator1>::type System1; |
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typedef typename thrust::iterator_system<InputIterator2>::type System2; |
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typedef typename thrust::iterator_system<OutputIterator1>::type System3; |
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typedef typename thrust::iterator_system<OutputIterator2>::type System4; |
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System1 system1; |
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System2 system2; |
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System3 system3; |
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System4 system4; |
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return thrust::reduce_by_key(select_system(system1,system2,system3,system4), keys_first, keys_last, values_first, keys_output, values_output); |
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} |
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template <typename InputIterator1, |
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typename InputIterator2, |
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typename OutputIterator1, |
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typename OutputIterator2, |
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typename BinaryPredicate> |
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thrust::pair<OutputIterator1,OutputIterator2> |
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reduce_by_key(InputIterator1 keys_first, |
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InputIterator1 keys_last, |
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InputIterator2 values_first, |
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OutputIterator1 keys_output, |
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OutputIterator2 values_output, |
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BinaryPredicate binary_pred) |
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{ |
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using thrust::system::detail::generic::select_system; |
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typedef typename thrust::iterator_system<InputIterator1>::type System1; |
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typedef typename thrust::iterator_system<InputIterator2>::type System2; |
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typedef typename thrust::iterator_system<OutputIterator1>::type System3; |
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typedef typename thrust::iterator_system<OutputIterator2>::type System4; |
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System1 system1; |
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System2 system2; |
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System3 system3; |
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System4 system4; |
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return thrust::reduce_by_key(select_system(system1,system2,system3,system4), keys_first, keys_last, values_first, keys_output, values_output, binary_pred); |
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} |
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template <typename InputIterator1, |
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typename InputIterator2, |
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typename OutputIterator1, |
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typename OutputIterator2, |
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typename BinaryPredicate, |
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typename BinaryFunction> |
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thrust::pair<OutputIterator1,OutputIterator2> |
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reduce_by_key(InputIterator1 keys_first, |
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InputIterator1 keys_last, |
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InputIterator2 values_first, |
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OutputIterator1 keys_output, |
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OutputIterator2 values_output, |
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BinaryPredicate binary_pred, |
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BinaryFunction binary_op) |
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{ |
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using thrust::system::detail::generic::select_system; |
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typedef typename thrust::iterator_system<InputIterator1>::type System1; |
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typedef typename thrust::iterator_system<InputIterator2>::type System2; |
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typedef typename thrust::iterator_system<OutputIterator1>::type System3; |
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typedef typename thrust::iterator_system<OutputIterator2>::type System4; |
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System1 system1; |
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System2 system2; |
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System3 system3; |
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System4 system4; |
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return thrust::reduce_by_key(select_system(system1,system2,system3,system4), keys_first, keys_last, values_first, keys_output, values_output, binary_pred, binary_op); |
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} |
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} // end namespace thrust |
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